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Finding the Fourth Proportional to 273,343.52, 377,255.61 and 165,892.77

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Solution

The fourth proportional to 273,343.52, 377,255.61 and 165,892.77 is: 228,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,343.52 : 377,255.61 = 165,892.77 : x
  2. Step 2: Convert to fraction form
    273,343.52/377,255.61 = 165,892.77/x
  3. Step 3: Cross multiply
    273,343.52x = 377,255.61 × 165,892.77
  4. Step 4: Simplify right side
    273,343.52x = 62,583,978,140.94
  5. Step 5: Solve for x
    x = 62,583,978,140.94/273,343.52
  6. Step 6: Final answer
    x = 228,957.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.